diff options
Diffstat (limited to 'src/pkg/syscall/asm_plan9_386.s')
| -rw-r--r-- | src/pkg/syscall/asm_plan9_386.s | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/src/pkg/syscall/asm_plan9_386.s b/src/pkg/syscall/asm_plan9_386.s deleted file mode 100644 index aaa8b9a69..000000000 --- a/src/pkg/syscall/asm_plan9_386.s +++ /dev/null @@ -1,164 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// TODO(rsc): Rewrite all nn(SP) references into name+(nn-8)(FP) -// so that go vet can check that they are correct. - -#include "textflag.h" - -// -// System call support for 386, Plan 9 -// - -//func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err string) -//func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err string) -//func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) -//func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) - -// Trap # in AX, args on stack above caller pc. -TEXT ·Syscall(SB),NOSPLIT,$0-32 - CALL runtime·entersyscall(SB) - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - INT $64 - MOVL AX, r1+20(SP) - MOVL $0, r2+24(SP) - CMPL AX, $-1 - JNE ok3 - - SUBL $8, SP - CALL runtime·errstr(SB) - MOVL SP, SI - ADDL $8, SP - JMP copyresult3 - -ok3: - LEAL runtime·emptystring(SB), SI - -copyresult3: - LEAL err+28(SP), DI - - CLD - MOVSL - MOVSL - - CALL runtime·exitsyscall(SB) - RET - -TEXT ·Syscall6(SB),NOSPLIT,$0-44 - CALL runtime·entersyscall(SB) - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - INT $64 - MOVL AX, r1+32(SP) - MOVL $0, r2+36(SP) - CMPL AX, $-1 - JNE ok4 - - SUBL $8, SP - CALL runtime·errstr(SB) - MOVL SP, SI - ADDL $8, SP - JMP copyresult4 - -ok4: - LEAL runtime·emptystring(SB), SI - -copyresult4: - LEAL err+40(SP), DI - - CLD - MOVSL - MOVSL - - CALL runtime·exitsyscall(SB) - RET - -TEXT ·RawSyscall(SB),NOSPLIT,$0-28 - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - INT $64 - MOVL AX, r1+20(SP) - MOVL AX, r2+24(SP) - MOVL AX, err+28(SP) - RET - -TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - INT $64 - MOVL AX, r1+32(SP) - MOVL AX, r2+36(SP) - MOVL AX, err+40(SP) - RET - -#define SYS_SEEK 39 /* from zsysnum_plan9_386.go */ - -//func seek(placeholder uintptr, fd int, offset int64, whence int) (newoffset int64, err string) -TEXT ·seek(SB),NOSPLIT,$0-36 - LEAL newoffset+24(SP), AX - MOVL AX, placeholder+4(SP) - - MOVL $SYS_SEEK, AX // syscall entry - INT $64 - - CMPL AX, $-1 - JNE ok6 - MOVL AX, 24(SP) // newoffset low - MOVL AX, 28(SP) // newoffset high - - SUBL $8, SP - CALL syscall·errstr(SB) - MOVL SP, SI - ADDL $8, SP - JMP copyresult6 - -ok6: - LEAL runtime·emptystring(SB), SI - -copyresult6: - LEAL err+32(SP), DI - - CLD - MOVSL - MOVSL - RET - -//func exit(code int) -// Import runtime·exit for cleanly exiting. -TEXT ·exit(SB),NOSPLIT,$4-4 - MOVL code+0(FP), AX - MOVL AX, 0(SP) - CALL runtime·exit(SB) - RET |